These widely advertised products, which are used primarily for washing clothes, are based on high-sudsing, synthetic organic actives ( sodium alkylbenzenesulfonates ) and contain up to 50% by weight of sodium tripolyphosphate or a mixture of sodium tripolyphosphate and tetrasodium pyrophosphate.

Harris has indicated that two devices, the Launder-Ometer and Terg-O-Tometer are most widely used for rapid detergent testing, and he has listed the commercially available standard soiled fabrics.

Other widely spoken Afroasiatic languages are Amharic, the national language of Ethiopia, with 18 million native speakers ; Somali, spoken by around 19 million people in Greater Somalia ; and Hausa, the dominant language of northern Nigeria and southern Niger, spoken by 18. 5 million people and used as a lingua franca in large parts of the Sahel, with some 25 million speakers in total.

The abacus was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere.

Due to Pope Sylvester II's reintroduction of the abacus with very useful modifications, it became widely used in Europe once again during the 11th century

The Brønsted-Lowry definition is the most widely used definition ; unless otherwise specified acid-base reactions are assumed to involve the transfer of a proton ( H < sup >+</ sup >) from an acid to a base.

The Proto-Sinatic or Proto Canaanite script and the Ugaritic script were the first scripts with limited number of signs, in contrast to the other widely used writing systems at the time, Cuneiform, Egyptian hieroglyphs, and Linear B.

Cyrillic is one of the most widely used modern alphabetic scripts, and is notable for its use in Slavic languages and also for other languages within the former Soviet Union.

After the later establishment of the People's Republic of China and its adoption of Hanyu Pinyin, the use of Zhuyin today is limited, but it's still widely used in Taiwan where the Republic of China still governs.

Arabic is also widely used, sometimes as an abjad ( as with Urdu and Persian ) and sometimes as a complete alphabet ( as with Kurdish and Uyghur ).

The term " droid ", coined by George Lucas for the original Star Wars film and now used widely within science fiction, originated as an abridgment of " android ", but has been used by Lucas and others to mean any robot, including distinctly non-human form machines like R2-D2.

* Atlas ( mythology ), a Titan who bore the spheres of the heavens ; inspiring the widely used image of a man carrying a celestial sphere on his back or shoulders ( also known as Atlas Telamon or " enduring Atlas ")

The genus Allium includes some of the most widely used edible plants, such as onion and shallot ( varieties of Allium cepa ), garlic ( A. sativum and A. scordoprasum ), leek ( Allium ampeloprasum var.

He coined the widely used expression " 15 minutes of fame ".

Phoenician gave way to a number of new writing systems, including the Greek alphabet and Aramaic, a widely used abjad.

It is widely used in commercial ionization chamber smoke detectors, as well as in neutron sources and industrial gauges.

The Peano axioms are the most widely used axiomatization of first-order arithmetic.

The International Cooperative Ataxia Rating Scale ( ICARS ) is one of the most widely used and has been proven to have very high reliability and validity.

The anarcho-capitalist flag is also widely used by voluntaryists, whose philosophy is very similar.

The term anti-Semitic has been used on occasion to include bigotry against other Semitic-language peoples such as Arabs, but such usage is not widely accepted.

This is single-sideband modulation, widely used in amateur radio and other communications applications.

Because they often exhibit a combination of high strength and low weight, these alloys became widely used in many forms of industry, including the construction of modern aircraft.

The most widely used transduction principles are electromagnetism, electrostatics and piezoelectricity.

In some countries, such as Zimbabwe, it is widely used alongside a national sign language.

No widely accepted exact definition exists for DBMS.

The definition of knowledge as justified true belief was widely accepted until the 1960s.

Definitions of the niche date back to 1917, but G. Evelyn Hutchinson made conceptual advances in 1957 by introducing a widely adopted definition: " the set of biotic and abiotic conditions in which a species is able to persist and maintain stable population sizes.

Class AB is widely considered a good compromise for audio amplifiers, since much of the time the music is quiet enough that the signal stays in the " class A " region, where it is amplified with good fidelity, and by definition if passing out of this region, is large enough that the distortion products typical of class B are relatively small.

" One widely used definition is simply " Folk music is what the people sing ".

His classic definition of feudalism is the most widely known today and also the easiest to understand, simply put, when a lord granted a fief to a vassal, the vassal provided military service in return.

It is noteworthy, however, that the positive definition of hacker was widely used as the predominant form for many years before the negative definition was popularized.

Calculations with infinitesimals were widely replaced with the ( ε, δ )- definition of limit starting in the 1870s.

Crown Hall is widely regarded as Mies ' finest work, the definition of Miesian architecture.

The recognition and understanding of mental health conditions have changed over time and across cultures and there are still variations in definition, assessment and classification, although standard guideline criteria are widely used.

" The International Association for the Study of Pain's widely used definition states: " Pain is an unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage ".

A definition of pain widely employed in nursing, emphasizing its subjective nature and the importance of believing patient reports, was introduced by Margo McCaffery in 1968: " Pain is whatever the experiencing person says it is, existing whenever he says it does ".

Although widely adopted, this definition differs in important respects from the more classical definition of measurement adopted in the physical sciences, which is that measurement is the numerical estimation and expression of the magnitude of one quantity relative to another ( Michell, 1997 ).

In spite of Interpol having a standardized definition of RICO-like crimes, the interpretation and national implementation in legislation ( and enforcement ) widely varies.

There is no widely accepted formal definition of either race or intelligence in academia, and any discussion of their connection involves studies from multiple disciplines, including psychology, anthropology, biology, and sociology.

This period is known as the Postmodern era ; though there's no widely agreed upon central definition of Postmodernism, many themes and techniques commonly identified as Postmodern are nearly identical to Surrealism.

According to the American calendar, the U. S. summer season is commonly regarded as beginning on Memorial Day weekend ( the last weekend in May ) and ending on Labor Day weekend ( the first weekend in September ), more closely in line with the meteorological definition ; the similar Canadian tradition starts summer on Victoria Day one week prior ( although summer conditions vary widely across Canada's expansive territory ) and ends, like the United States, on Labour Day.

Josephus ' definition was widely accepted until the Enlightenment era, when the term started to collect more universalistic and negative connotations, especially in Hegel's hands.

A widely used modern definition of causality was originally given by David Hume.

It has been widely used since then in the context of human geography and human ecology, but with no systematic definition.

Real analysis began to emerge as an independent subject when Bernard Bolzano introduced the modern definition of continuity in 1816, but Bolzano's work did not become widely known until the 1870s.